Google Doodle turns spotlight on the quadratic equation: The formula behind every curve explained

Google's latest doodle in India celebrates the quadratic equation, ax² + bx + c = 0, showcasing its real-world applications ...
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Inflation Calculator: U.S. CPI and Dollar Value 1913-2025

This inflation calculator uses the change in the Consumer Price Index (CPI) from 1913 to 2025 to estimate the U.S. dollar's buying power and future value.